Electronic calculator



y 2, 1960 s. LUBKIN 2,945,213

ELECTRONIC CALCULATOR Filed Feb. 24, 1956 49 Sheets-Sheet 1 INVENTOR SAMUEL LUBKIN ATTORNEY July 12, 1960 s. LUBKIN muzc'momc CALCULATOR 49 Sheets-Sheet 3 Filed Feb. 24, 1956 July 12, 1960 Filed Feb. 24. 1956 49 Sheets-Sheet 4 GENERAL INFORMATION SIGNAL FLOW PROGRAM KEYBOARD SELECTOR F44-----Fk/ CYCLE CARRIAGE TAB GENERATORS CONTROL COUNTER BELT EN ER I52 l5] MOTOR IN CONggOL CON TF OL FORMAT CONTROL JA,--:./E

766? AI 5 I29 5 NUMBER 1 L J THYRATRONS H AUXILIARY 355 08 A PRINTER I37 W314 LEFT-SHIFT INPUT-OUTPUT REGISTER AXIAI'AUIAV ZONE IN OUT CONTROL AH PAPER-TAPE IIs INPUTLgUTPUT REGISTER JAFJE AA? ADD ONE --LeH-sh,w Paglia-fer T T RE TER -Add-One Regrlsfer ARITHMETIC INOuT Ac zONE CONTROL I39 II2 A CONTROL BELT I-CWZO ccumu/afor eglsrer 4 ACCRLMUSLTIfIE'I'SR "AR "AH ARITHMETIC CONTROL CONTROL n H3 AS AM IIG T W20 MO I F GNETIC Z2 sCAN W30) DISK suBTRAcI'OR CONTROL RO F war [22 T Ros Raj: PAN

II II AC MEMORY? I lN-OUT 'a gg 4k CONTROL INVENTOR.

III SAMUEL LUBKl/II MI I ROA BY July 12, 1960 Filed Feb. 24, 1956 s. LUBKIN ELECTRONIC CALCULATOR 49 Sheets-Sheet 6 PROGRAM SELEC TO CM KEYBOARD 34H IMG BE LT MOTOR CONTROL ZONE INPUT-OUTPUT j REGISTER ZONE ARITHMETIC ZONE CONTROL BELT SCAN CONTROL MH I II 11 I II CYCLE El CARRIAGE TAB GENERAT R CONTROL COUNTER I52 I5I |3I r 1 v MAIN PRINTER AUXILIARY PRINTER I55 IN/ TIA TE OPERATION FIGS INVEN TOR. SAMUEL LUBX/N A T TOR/V5 If y 1960 s. LUBKIN 2,945,213

ELECTRONIC CALCULATOR Filed Feb. 24, 1956 49 Sheets-Sheet 8 M O r6 2 9 I BEG ZONE Add Memory Regis+er Accumulo+or I37 Sub+rcc+ Memorgjggisrer Frgrn Agggmulgi'gr' Clear Accumulc+or and Add Memortikqisi'er INPUT-OUTPUT ZoNE REGISTER p ZoNE 2 g ARITHMETIC ZONE 2 CONTROL BELT V I I Acoumu/afor ,4 w [J L i g l'f -,9M. sa-l ACCUMULATOR REGISTER ARITHMETIC f IBEQEE I CONTROL H3 H6 OPERAND V FUNNEL |2| 4 MAGNETIC B R m"! so DISK I I65 SCAN MM CONTROL P0015 {I 1 ADDER- AN 1' MEMORY R fi SUBTRACTOR 0 iN-OUT n CONTROL $51 m V R08 ROA INVENTOR.

SAMUEL LUBK/N ATTORNEY y 2, 1960 s. LUBKIN 2,945,213

ELECTRONIC CALCULATOR Filed Feb. 24, 1956 49 Sheets-Sheet 9 KEYBOARD l 4 2 INPU'FOUTPUT MAI N ZONE PRINTER I 54 REGISTER AR I THMETIC ZONE ITHMET CONTROL I I6 OPERAND FUNNEL I 2 l Qggr'sfer ADDER- SUBTRACTOR SCA N CONTROL I 2 4 Enfer Number w'a Keyboard I'mo Memory Peg/Shir: INVENTOR, Emer Number w'a Keyboard l'mo Cleared Memorgfi-gl'sfen SAMUEL LUBK/N BY F/ 6. EL

A 7' TORNE I.

July 12, 1960 s. LUBKIN 2,945,213

ELECTRONIC CALCULATOR Filed Feb. 24, 1956 49 Sheets-Sheet 10 KEYBOARD l4 2 REGISTER ZONE ARITHMETIC ZONE EL -C l CONTROL BE OPE RAND A M A l l a SE' g -f- FUNNEL lN-OUT 1 2| CONTROL SCAN DISK ADDER- CONTROL 65 SUBTRACTOR 124 122 Enfer Number VI'O Paper Tape info Memory Reg/'sfen SAMUEL LUBK/N Enler Number ia Paper Tape Unr'f BY info Cleared Memory RgrS/EE s, W

ATTORNEY y 1960 s. LUBKIN 2,945,213

ELECTRONIC CALCULATOR Filed Feb. 24, 1956 49 Shuts-Sheet 11 FIG. /3

NPUT-OUTPUT ZONE REGISTER ZONE ARITHMETIC Add-Oh? lg g flag/shr- BEL OPE RAND FUNNEL ITHMETIC CONTROL REGISTER IN-OUT SCAN 2! ADDER CONTROL ms SUBTRACTOR MEMORY AR JNVENTOR.

SAMUEL LUBKIN ATTORNEY July 1960 s. LUBKIN 2,945,213

ELECTRONIC CALCULATOR Filed Feb. 24, 1956 49 Sheets-Sheet 14 KEYBOARD NUMBER PAPER-TAPE INPUT- REG'STER l4! OUTPUT ZONE I45 ARITHMETIC LEFT-SHI FT REGISTER IN-OUT cow goL ADD-ONE REGISTER IN -OUT CONITROL OPERAND FUNNEL CONTROL MAGNETIC DISK I65 MEMORY IN VEN TOR.

SAMUEL LUBK/N MEMORY REGISTER SEL EC T/ON VIA K E VBOARD MEMORY REGISTER SEL EC 7' ION VIA RAPE R 774 PE 5 FIG/6 $3 5035? July 12, 1960 Filed Feb. 24, 1956 S. LUBKIN ELECTRONIC CALCULATOR 49 Sheets-Sheet 16 CYCLE -GENERATORS l3! MOTOR, Lia-g1 c8 A l M R 4 I dd ne 0 emery eg/s er. 1 FIG. /8

INPUT-OUTPUT s5, D-ON 5 REGISTER SFJ ZONE 1'" 7 AN CONTROL Egg/sier- I38 F n2 ARITHMETiC 4 it -AC W ZONE 0 139 l EBNTROL BELT 0 Q9 v ,AR

OPERAND FUNNEL P As -AM Rplh -65 PWZO s5 SCAN MAGNETIC J ADDER- E CONTROL so DISK SUBTRACTOR zwfi T T'MER $D CON$HOL 55, I60 s13 Ill -ta-a/4 uvmvron SAMUEL wax/1v A TTORNEK July 12, 1960 5. LU BKIN ELECTRONIC CALCULATOR Filed Feb. 24, 1956 KEYBOARD BELT MOTOR VB CONTROL SED V H GENERATORS CYCLE REGISTER ZONE TFYFHTAEF ZONE CONTROL BELT SCAN CONTROL 49 Sheets-Sheet 17 EXPRESS CONTROL 851.7 MOVEMENT INVENTOR.

SAMUEL LUBK IN 4r TORNEK July 12, 1960 s. LUBKIN 2,945,213

ELECTRONIC CALCULATOR Filed Feb. 24, 1956 49 Sheets-Sheet 18 FORMAT CONTROL r AUXILIARY PRINTER I55 REGISTER ZONE I38 ARITHMETIC ZONE BELT I30 INTRODUCTION TO AUXILIARY MINER MOVEMENTZS AUXILIARY PRINTER 7H8.

AUXILIARY PRINTER CARRIAGE RETURN AWL/ARV PR/N7Z'R FORWARD LINE FEED AIAILIAR) PRINTER REVERSE LINE FEED F/G. 20 BY IN V EN TOR SAMUEL LUBK/N saw A T TORNE 1.

July 12, 1960 Filed Feb. 24, 1956 s. LU BKIN 2,945,213

ELECTRONIC CALCULATOR 49 Sheets-Sheet 19 FUA FVZ\

FYI\

E 1 8 MA I (E5 K4 CB J CARRIAGE (HG; TAB CONTROL i2 OuNTER I52 I5I F04! CB F3 HJ I A FR- CYCLE W N MAIN 5%, -41! GENERATO 1 PRINTER Fwd x2: I3 I L95 I54 2 DZ; L a; VB)! cL CA 05 D21 r'Ll/ r CE MOTOR 3f FORMAT ya F-EJ 7; CONTROL I36 BELT NAM ZONE NBM L 1 INPUT-OUTPUT i ZONE J PRINTER t REGISTER I55 I ZONE L (MM, NBM, NA/O ARITHMETIC ZONE lnfroducvl'on fo Main Pnhfer MoI/emems li9 N gl-o BELT MO /h Pr/nfer Line Feed,

Main Pn'nfer Reverse Tab and Line F eed, MO /n Pr/nfsr Corr/age Refurn and Line Fee-q, Ma/n Pn'nfer Carr/age RQfU/D Line Feed and .9017 Open.

FIG. 2/

[N V EN TOR.

SAMUEL L (18K IN ATTORNE',

July 12, 1960 s. LUBKIN 2,

ELECTRONIC CALCULATOR Filed Feb. 24, 1956 49 Sheets-Sheet 20 NUMBER THYRATRONS I4 I INPUT-OUTPUT ZONE L91 f- Sh/H iegisier REGISTER ZONE I38 ARITHMETIC ZONE 2 HTROL BEL Q9 OPERAND FUPZNE L AD DER- SUBTRACTOR l2 2 A ccumu/afor @g/sfer IN VEN TOR.

W3 SAMUEL wax/1v BY Main Prr'nver Prim Operavfons. Auxf/farg Pr/nfer Pr/nf Operaf/ons. F W

A T TORNEY 

